DESCRIPTION OF PLATE. 



Fig. 1. Trichia varia, Pers. Developed from white plasmodium on 

 rotten wood ; elaters with two spiral bands. Spores yellow, 

 minutely warted, 11-13/i. diam. 



Fig. 2. Arcyria punicea, Pers. Developed from white plasmodium on 

 rotten wood ; capillitium thickened with cogs and half rings, and 

 attached to the persistent cup of the sporangium -wall ; spores 

 pale red, smooth, ?/* diam. 



Fig. 3. Stemonitis fusca, Roth. Developed from white plasmodium on 

 rotten stumps ; mesh of the superficial net of the capillitium once 

 to four times the width of the spore ; spores purplish-grey, 

 minutely reticulated, 8-9^. diam. 



Fig. 4. Physarum leucophosum, Fr. Developed from white plasmodium 

 on rotten stumps ; capillitium of slender, branching, colourless 

 threads, with vesicular expansions filled with granules of calcium 

 carb. (lime knots) ; spores violet-brown, nearly smooth, 8-10/u. 

 diam. 



Fig. 5. Craterium vulgare, Ditm. Developed from yellow plasmodium 

 among dead leaves ; sporangium shining, cup-like ; capillitium 

 with large white lime-knots ; spores violet, almost smooth, 9/&. 

 diam. 



Fig. 6. Dictydium cernuum, Pers. Developed from purple plasmodium 

 on rotten stumps ; sporangium-wall with parallel ribs ; capillitium 

 none; spores purple-b v own, smooth, 4-5/*. diam. 



